/**
 *    Copyright 2009-2015 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.transaction;

import java.sql.Connection;
import java.util.Properties;

import javax.sql.DataSource;

import org.apache.ibatis.session.TransactionIsolationLevel;

/**
 * Creates {@link Transaction} instances.
 *
 * @author Clinton Begin
 */
/**
 * 事务工厂
 *
 */
public interface TransactionFactory {

	/**
	 * 设置属性
	 * 
	 * @param props 
	 */
	// 设置自定义的properties
	void setProperties(Properties prop);

	/**
	 * 根据Connection创建Transaction{@link Transaction}
	 * 
	 * @param conn
	 *            数据库连接对象
	 * @return Transaction
	 */
	// 根据Connection创建
	Transaction newTransaction(Connection conn);

	/**
	 * 根据数据源和事务隔离级别创建Transaction
	 * 
	 * @param dataSource
	 *            数据源
	 * @param level
	 *            事务隔离级别
	 * @param autoCommit
	 *            是否自动提交
	 * @return Transaction
	 */
	// 根据数据源和事务隔离级别创建Transaction
	Transaction newTransaction(DataSource dataSource, TransactionIsolationLevel level, boolean autoCommit);

}
